package com.member.framework.web.service;

import com.member.shop.domain.SysBizTenant;
import com.member.shop.service.ISysBizTenantService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.annotation.Resource;

import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import com.member.common.core.domain.entity.SysUser;
import com.member.common.core.domain.model.LoginUser;
import com.member.common.enums.UserStatus;
import com.member.common.exception.ServiceException;
import com.member.common.utils.StringUtils;
import com.member.system.service.ISysUserService;

/**
 * 用户验证处理
 *
 * @author wangxin
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Resource
    private ISysUserService userService;


    @Resource
    private ISysBizTenantService tenantService;

    @Resource
    private SysPasswordService passwordService;

    @Resource
    private SysPermissionService permissionService;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        SysUser user = userService.selectUserByUserName(username);
        if (StringUtils.isNull(user)) {
            log.info("登录用户：{} 不存在.", username);
            throw new ServiceException("登录用户：" + username + " 不存在");
        } else if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            log.info("登录用户：{} 已被删除.", username);
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        } else if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            log.info("登录用户：{} 已被停用.", username);
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }

        passwordService.validate(user);

        return createLoginUser(user);
    }


    public UserDetails createLoginUser(SysUser user) {
        Long defaultTenantId = user.getTenantId();

        if (user.getTenantId() == null || user.getTenantId() <= 0) {
            SysBizTenant sysBizTenant = tenantService.selectSysBizTenantByDefault();
            if (sysBizTenant != null) {
                defaultTenantId = sysBizTenant.getId();
            }
        }
        return new LoginUser(user.getUserId(), user.getDeptId(), user.getTenantId(),defaultTenantId, user, permissionService.getMenuPermission(user), user.getCampusId());
    }
}
